package com.example.demo.controller;

import org.springframework.util.StringUtils;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;

@RequestMapping("/user")
@RestController
public class UserController {
    @RequestMapping("/login")
    public Boolean login(String userName, String password, HttpSession session){
        //校验参数的合法性
//        if (userName==null || userName.length()==0 || password ==null || password.length() ==0){
//            return false;
//        }

        if (!StringUtils.hasLength(userName) || !StringUtils.hasLength(password)){
            return false;
        }
        //进行用户名和密码的校验
        if ("admin".equals(userName) && "admin".equals(password)){
            //设置Session
            session.setAttribute("username","admin");
            return true;
        }
        return false;
    }

    @RequestMapping("/getUserInfo")
    public String getUserInfo(HttpServletRequest request){
        //从Session 获取登录用户
        HttpSession session = request.getSession(false);
        String userName = null;
        if (session!=null){
            userName = (String) session.getAttribute("username");
        }
        return userName;
    }
}
